CBP data indicates that there are more establishments categorized as health care and social assistance businesses with 500 or more employees in the U.S. than in any other category.
The following table shows how many air transportation businesses with 500 or more employees were in the U.S. during the period from 2012 to 2016.
Air transportation businesses with 500 or more employees in the U.S. (2012-2016)
Year
Total businesses
2012
4,978
2013
4,864
2014
4,873
2015
4,877
2016
4,522
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